Question

Let y = safe load in pounds and x = depth in inches for a certain type of rectangular horizontal beam. A constant of

proportionality exists such that y = kx2.
Determine the constant k for a beam with y = 1,000 pounds and x = 5 inches.
What is a safe load if the depth of the beam is 10 inches?
800 pounds
4,000 pounds
10,000 pounds

Answer 1

Answer: 40

Step-by-step explanation: I got it right :)

Answer 2

I believe that it’s 4000